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MASOUD SHEIDAI
Faculty of Biological Sciences, Shahid Beheshti University, Tehran
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Population genetic structure in medicinal plant Lallemantia iberica (Lamiaceae) FAHIMEH KOOHDAR; MASOUD SHEIDAI; SEYYED MEHDI TALEBI; ZAHRA NOORMOHAMMADI
Biodiversitas Journal of Biological Diversity Vol. 16 No. 2 (2015)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d160206

Abstract

Koohdar F, Sheidai M, Talebi SM, Noormohammadi Z. 2015. Population genetic structure in medicinal plant Lallemantia iberica (Lamiaceae). Biodiversitas 16: 139-144. Lallemantia iberica (Bieb.) Fischer and C.A. Meyer (sin. Dracocephalum ibericumM.Bieb.) also named Dragon's head” is an annual plant cultivated for its seeds that contain about 30% -38% drying oil (siccative oil). Itsseed oil is used in foods, dye and varnish industry. L. iberica seeds have traditional uses as reconstitute, stimulant, diuretic andexpectorant. L. iberica in an important medicinal plant in our country and grows in various regions with different environmentalconditions. At present no investigation has been reported about population genetic structure of this valuable plant species in Iran.Therefore, we carried out population genetic analysis of 11 populations of L. iberica by using ISSR molecular markers for the first time.Genetic diversity analysis revealed high within population genetic variability. AMOVA test produced significant genetic differenceamong the studied populations. Mantel test revealed significant correlation between genetic distance and geographical distance of thepopulations. STRUCTURE analysis and K-Means clustering revealed population genetic fragmentation and the presence of three genepools for this species. The assignment test revealed the occurrence of limited gene flow among the populations. The results suggestedthat genetic divergence, limited gene flow, genetic drift and local adaptation have played role in diversification of L. iberica. Key words: Gene flow, population fragmentation, IBD, Lallemantia iberica.
Within and among-genetic variation in Asian flax Linum austriacum (Linaceae) in response to latitude changes: Cytogenetic and molecular analyses ZAHRA NOORMOHAMMADI; TINA SHAFAF; FATEMEH FARAHANI; MASOUD SHEIDAI; SEYED MEHDI TALEBI; YEGANEH HASHEMINEJAD-AHANGARANI FARAHANI
Biodiversitas Journal of Biological Diversity Vol. 16 No. 2 (2015)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d160207

Abstract

Noormohammadi Z, Shafaf T, Farahani F, Sheidai, Talebi SM, Hasheminejad-Ahangarani-Farahani Y. 2015. Within and among-genetic variation in Asian flax Linum austriacum (Linaceae) in response to latitude changes: Cytogenetic and molecular analyses. Biodiversitas 16: 145-150. Linum austriacum L. (Linaceae) which is known as Asian flax is an herbaceous medicinal plantspecies that grow in Iran in different latitudes and forms some local populations particularly in the West and North-West of the country.Within-and between-genetic diversity in response to altitude changes was investigated in geographical populations of L. austriacum byusing cytogenetic and ISSR molecular markers. These populations were diploid with 2n = 18 and differed significantly (P<0.05) in theirmean chiasma frequency and chromosome pairing. Significant positive correlation (r >0.90, P < 0.05) occurred between latitude and themean number of quadrivalents. The highest level of genetic diversity parameters as Shanon Information Index and gene diversityoccurred in Salavat-abad population. Moreover, the STRUCTURE analysis also identified this population as the most varied population.This population had medium altitude distribution. Mantel test performed between genetic distance and geographical distance showed nosignificant correlation (R2 = 0.09, p = 0.39). Pearson coefficient of correlation determined between genetic diversity parameters andaltitude, produced a significant negative correlation (r =-0.85, P<0.01) with the number of effective alleles. The present study revealedthat Linum austriacum populations do have some cytogenetic and molecular variation in response to altitude. 
Bayesian and Multivariate Analyses of combined molecular and morphological data in Linum austriacum (Linaceae) populations: Evidence for infraspecific taxonomic groups FATIMA AFSHAR; MASOUD SHEIDAI; SEYED MEHDI TALEBI; MARYAM KESHAVARZI
Biodiversitas Journal of Biological Diversity Vol. 16 No. 2 (2015)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d160213

Abstract

Afshar F, Sheidai M, Talebi SM, Keshavarzi M. 2015. Bayesian and Multivariate Analyses of combined molecular andmorphological data in Linum austriacum (Linaceae) populations: Evidence for infraspecific taxonomic groups. Biodiversitas 16: 179-187. Plant specimens of Linum austriacum (Linaceae) were collected from 16 geographical populations of nine provinces in Iran andused for morphological and molecular (ISSR) analyses. Different multivariate and Bayesian methods were used to studyinterpopulations differences. Analysis of variance test and Principal coordinate analysis plots indicated morphological difference of thepopulations. Mantel test revealed positive significant correlation between morphological and geographical distance of these populations.Pearson, coefficient of correlation showed significant correlations between basal leaf length, width and length/width ratio with latitudeand altitude of the studied populations. Bayesian analysis of combined molecular and morphological features revealed divergence of thestudied populations and consensus tree showed separation of 6 populations in different clusters. Canonical Variate Analysis plot of thesepopulations showed that Sang Sefid and Salmas populations differed greatly from the other populations. New ecotypes are suggested forthese populations.
Co-Authors FAHIMEH KOOHDAR FATEMEH FARAHANI FATIMA AFSHAR MARYAM KESHAVARZI SEYED MEHDI TALEBI SEYED MEHDI TALEBI SEYYED MEHDI TALEBI TINA SHAFAF YEGANEH HASHEMINEJAD-AHANGARANI FARAHANI ZAHRA NOORMOHAMMADI ZAHRA NOORMOHAMMADI